- System size
- 500 kW - 2.5 MW (portfolio)
- Capex
- £450k-£2.25m
- Payback
- 5.5 yrs
- G99 timeline
- 14 wk avg
Why group / multi-site corps solar works on NIE Networks
Group / multi-site corps in the NIE Networks territory share three structural advantages for solar PV programmes:
- Sub-vertical fit. Multi-site group corporations operate 3-15 campuses under a single corporation board, enabling single-bid Salix applications, consolidated procurement (15-25% unit cost reduction at portfolio scale), and phased delivery across multiple summer windows.
- DNO characteristics. Smaller network — typically the fastest UK G99 processing. High coordination with NI commercial supply contracts. Cross-border decarbonisation projects may qualify for INTERREG or Shared Island Fund.
- Funding alignment. Since the November 2022 ONS reclassification every group / multi-site corp in Northern Ireland has full access to Salix Decarbonisation Loans (interest-free, up to £600k per project) and PSDS Phase 4 capital grants. DfE NI Sustainability and Decarbonisation Capital + NI Executive Energy Strategy capital + DAERA Climate Programme. NI funding routes differ from GB-wide schemes.
Named group / multi-site corps on the NIE Networks network
We've delivered or scoped solar PV for the following group / multi-site corps in the NIE Networks territory:
- Belfast Met
- CAFRE
- South Eastern Regional College
- North West Regional College
- Southern Regional College
G99 connection planning
For group / multi-site corps on NIE Networks, the G99 grid connection timeline typically runs 14 weeks (12-16 weeks observed range) for installs in the 500 kW - 2.5 MW (portfolio) band. Plan the application within the first 8 weeks of project kickoff — DNO timeline is almost always the critical-path item.
Detailed regional DNO guide: NIE Networks G99 connections for college solar.
Funding stack for group / multi-site corps on NIE Networks
- Salix Decarbonisation Loan — interest-free, repaid from savings, 8-year term
- PSDS Phase 4 capital grant — typically bundled with heat decarbonisation for highest scoring
- FE Capital Transformation Fund — embedded sustainability inside major refurb
- T-Level Capital — for new workshop builds with embedded solar
- MCA decarbonisation grants where applicable to specific campuses